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Finding the Fourth Proportional to 62,448.24, 85,978.80 and 50,550.96

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Solution

The fourth proportional to 62,448.24, 85,978.80 and 50,550.96 is: 69,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,448.24 : 85,978.80 = 50,550.96 : x
  2. Step 2: Convert to fraction form
    62,448.24/85,978.80 = 50,550.96/x
  3. Step 3: Cross multiply
    62,448.24x = 85,978.80 × 50,550.96
  4. Step 4: Simplify right side
    62,448.24x = 4,346,310,879.65
  5. Step 5: Solve for x
    x = 4,346,310,879.65/62,448.24
  6. Step 6: Final answer
    x = 69,598.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.